Know when it is right to argue with someone. Learn to accept that others may be right and you may be wrong. Nobody likes to be around someone constantly pointing out that they are right.
Know when to speak up. Defend friends in tough situations.
Don't be afraid to talk to others. Always look people in the eye when you're talking with them. It makes you appear more confident. Nobody wants to talk to someone who can't stop staring at their feet. Remember to stand up tall. Never slouch.
Having a sense of humor is a plus. Know the right time to laugh. It's good to crack a few jokes every now and then, but don't overdo it.
Don't be afraid to be different. People will admire you for your unique personality.
Be kind and considerate. People who truly practice these virtues to everyone they meet can be true to themselves and still stand out.
Don't shout or be aggressive.
A good sense of humor